Lost

Originally Posted by _Opi_

Maybe Sun's father knew that Jin wouldn't go through with it, and had sent somebody else to finish the deed? But then again, he did have the pearls in his hand, which would suggest that he made the jump himself.

I still think that he jumped. The whole "doing the honorable thing" seems more likely than having someone else finishing the job. If the writers wanted us to think Sun's dad had someone else there, they would have shown the crony pushing Jae off the balcony.